Home / 27,820,743.06-38,397,222.79-15,434,826.97

Finding the Fourth Proportional to 27,820,743.06, 38,397,222.79 and 15,434,826.97

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Solution

The fourth proportional to 27,820,743.06, 38,397,222.79 and 15,434,826.97 is: 21,302,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820,743.06 : 38,397,222.79 = 15,434,826.97 : x
  2. Step 2: Convert to fraction form
    27,820,743.06/38,397,222.79 = 15,434,826.97/x
  3. Step 3: Cross multiply
    27,820,743.06x = 38,397,222.79 × 15,434,826.97
  4. Step 4: Simplify right side
    27,820,743.06x = 592,654,489,829,605.38
  5. Step 5: Solve for x
    x = 592,654,489,829,605.38/27,820,743.06
  6. Step 6: Final answer
    x = 21,302,611.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.